#include <unistd.h>
#include <stdio.h> 
int main () 
{ 
	pid_t fpid; //fpid表示fork函数返回的值
	int count=0;
	fpid=fork(); 
	if (fpid < 0) 
		printf("error in fork!"); 
	else if (fpid == 0) {
		printf("i am the child process, my process id is %d/n",getpid()); 
		printf("我是爹的儿子/n");//对某些人来说中文看着更直白。
		count++;
	}
	else {
		printf("i am the parent process, my process id is %d/n",getpid()); 
		printf("我是孩子他爹/n");
		count++;
	}
	printf("统计结果是: %d/n",count);
	return 0;
}
